docs: added reference for JS Client (#1629)

* added reference for JS Client

* added reference for JS Client

* added reference for JS Client

docs/content/references/js-client/classes/internal.AdminPostRegionsReq.md

@@ -0,0 +1,77 @@
+---
+displayed_sidebar: jsClientSidebar
+---
+
+# Class: AdminPostRegionsReq
+
+[internal](../modules/internal.md).AdminPostRegionsReq
+
+## Properties
+
+### countries
+
+• **countries**: `string`[]
+
+#### Defined in
+
+packages/medusa/dist/api/routes/admin/regions/create-region.d.ts:64
+
+___
+
+### currency\_code
+
+• **currency\_code**: `string`
+
+#### Defined in
+
+packages/medusa/dist/api/routes/admin/regions/create-region.d.ts:59
+
+___
+
+### fulfillment\_providers
+
+• **fulfillment\_providers**: `string`[]
+
+#### Defined in
+
+packages/medusa/dist/api/routes/admin/regions/create-region.d.ts:63
+
+___
+
+### name
+
+• **name**: `string`
+
+#### Defined in
+
+packages/medusa/dist/api/routes/admin/regions/create-region.d.ts:58
+
+___
+
+### payment\_providers
+
+• **payment\_providers**: `string`[]
+
+#### Defined in
+
+packages/medusa/dist/api/routes/admin/regions/create-region.d.ts:62
+
+___
+
+### tax\_code
+
+• `Optional` **tax\_code**: `string`
+
+#### Defined in
+
+packages/medusa/dist/api/routes/admin/regions/create-region.d.ts:60
+
+___
+
+### tax\_rate
+
+• **tax\_rate**: `number`
+
+#### Defined in
+
+packages/medusa/dist/api/routes/admin/regions/create-region.d.ts:61